Impl.Config
type t = t
val set_user_name : t -> repo_root:Volgo__.Repo_root.t -> user_name:Volgo__.User_name.t -> (unit, Err.t) Stdlib.Result.t
val set_user_email : t -> repo_root:Volgo__.Repo_root.t -> user_email:Volgo__.User_email.t -> (unit, Err.t) Stdlib.Result.t